SP Project & Document Manager <= 4.23 — Subscriber+ Arbitrary File Upload
CVE-2021-4225Published · Updated Action summary
Affected: <4.24Update to 4.24 or newer
All remediation steps- Severity
- High8.8
- CVSS
- 8.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-434 Arbitrary File Upload
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
SP Project & Document Manager sp-client-document-manager
- Affected< 4.24
- Patched in4.24
Update to 4.24 or newer.
You are affected if you run < 4.24. Version 4.24 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under SP Project & Document Manager.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 4.24, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch SP Project & Document Manager to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to pang0lin.
The SP Project & Document Manager WordPress plugin before 4.24 allows any authenticated users, such as subscribers, to upload files. The plugin attempts to prevent PHP and other similar files that could be executed on the server from being uploaded by checking the file extension. It was discovered that on Windows servers, the security checks in place were insufficient, enabling bad actors to potentially upload backdoors on vulnerable sites.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in SP Project & Document Manager
All 24| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.5 | Missing Authorization to Unauthenticated Arbitrary File Information Disclosure via view_file() Function ≤4.71No patch available | CVE-2026-10737 | |
| Medium4.3 | Authenticated (Subscriber+) Directory Traversal ≤4.71No patch available | CVE-2024-37224 | |
| Medium4.3 | Authenticated (Subscriber+) Arbitrary Folder Name Update ≤4.70No patch available | CVE-2024-1693 | |
| Medium4.3 | Missing Authorization ≤4.69No patch available | CVE-2024-33923 | |
| Medium4.3 | Insecure Direct Object Reference to Information Exposure ≤4.71No patch available | CVE-2024-3749 |
- High7.5Missing Authorization to Unauthenticated Arbitrary File Information Disclosure via view_file() Function
≤4.71No patch available
- Medium4.3Authenticated (Subscriber+) Directory Traversal
≤4.71No patch available
- Medium4.3Authenticated (Subscriber+) Arbitrary Folder Name Update
≤4.70No patch available
- Medium4.3Missing Authorization
≤4.69No patch available
- Medium4.3Insecure Direct Object Reference to Information Exposure
≤4.71No patch available
Same weakness (Arbitrary File Upload)
All Arbitrary File Upload| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity high, CVSS 8.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.